A Crystal command-line tool for generating new Lucky Web Applications. lucky-framework command-line
0.28.0 Latest release released

Lucky CLI

A Crystal library for creating and running tasks

Installing the CLI by Homebrew

  1. Install homebrew
  2. Run brew tap luckyframework/lucky
  3. Run brew install lucky

Building CLI from source

  1. Install crystal
  2. Clone the repo git clone
  3. Go to the repo directory cd lucky_cli
  4. Run shards install
  5. Run crystal build src/ -o /usr/local/bin/lucky (instead of /usr/local/bin/ destination you can choose any other directory that in $PATH)

Run which lucky from the command line to make sure it is installed.

If you're generating a Lucky web project, install the required dependencies. Then run lucky init


API (master)

Adding Custom Tasks

Want to add custom tasks? Check out LuckyTask for getting started.


  1. Fork it ( )
  2. Create your feature branch (git checkout -b my-new-feature)
  3. Commit your changes (git commit -am 'Add some feature')
  4. Push to the branch (git push origin my-new-feature)
  5. Check that specs on GitHub Actions CI pass
  6. Create a new Pull Request

Testing Deployment to Heroku

Testing deployment to Heroku is skipped locally by default. The easiest way to run the deployment tests is to push up a branch and open a PR. This will run tests against Heroku to make sure deployment is working as expected.

If you want though, you can also test deployment locally:

  1. Sign up for a Heroku account and install the CLI.
  2. Run heroku authorizations:create --description="Lucky CLI Integration Tests".
  3. Grab the token from that command and put it in the generated .env file.
  4. Change RUN_HEROKU_SPECS from 0 to 1 in the .env file.
  5. Run script/setup to make sure all dependencies are installed.
  6. Run script/test to test everything, or run script/test specs/integration/


  github: luckyframework/lucky_cli
  version: ~> 0.28.0
License MIT
Crystal >= 1.0.0


Dependencies 2

  • lucky_task ~> 0.1.0
    {'github' => 'luckyframework/lucky_task', 'version' => '~> 0.1.0'}
  • teeplate~luckyframework ~> 0.8.3
    {'github' => 'luckyframework/teeplate', 'version' => '~> 0.8.3'}

Development Dependencies 1

  • ameba ~> 0.14.2
    {'github' => 'crystal-ameba/ameba', 'version' => '~> 0.14.2'}
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